Comparison

Ocean-Bound PP Regrind vs PETG

A side-by-side comparison of Ocean-Bound Polypropylene Regrind and Polyethylene Terephthalate Glycol.

Property

Ocean-Bound PP Regrind

PETG

Physical

Density

0.900-0.915 g/cm³

1.27 g/cm³

Water Absorption (24h)

0.02-0.05 %

0.13 %

Transparency

Opaque

Transparent

Shrinkage

1.5-3.0 %

0.2 – 0.5 %

Mechanical

Young's Modulus

1.2-1.6 GPa

2.1 GPa

Tensile Strength

25-40 MPa

50 MPa

Elongation at Break

5-25 %

120 %

Impact Strength (Izod)

15-35 J/m

100 J/m

Flexural Strength

—

70 MPa

Thermal

Glass Transition Temperature

-5 °C

80 °C

Melting Point

155-165 °C

—

Continuous Service Temperature

70-90 °C

65 °C

Heat Deflection Temperature

50-70 °C (0.45 MPa)

70 °C

CTE

—

68 × 10⁻⁶ /K

Electrical

Dielectric Constant

2.2-2.3

3.3

Volume Resistivity

>10^16 Ohm·cm

10¹⁴ Ω·cm

Dielectric Strength

20-30 kV/mm

—

Chemical resistance

Acids

Good

Bases

Good

Fair

Solvents

Fair resistance

—

UV Resistance

Poor (requires stabilizers)

Fair

Alcohols

—

Good

Oils

—

Good

Sustainability

Recyclability

Recyclable

Recycling Code

5 (PP)

Carbon Footprint

Significantly lower than virgin PP, with added environmental benefit

~2.7 kg CO₂e / kg

Bio-based Content

—

0 %